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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology

» presentations   » 2004.03.08-12




Vibrational effects in the conductance through a molecular bridge

M. Hartung, K. Richter, and G. Cuniberti

Deutsche Physikalische Gesellschaft, AKF Frühjahrstagung 2004
German Physical Society, Spring Meeting 2004


2004.03.08-12; Regensburg, Germany

We study the conductance of a single molecule sandwiched between two electrodes and taking into account the center of mass motion of the molecule. The starting point is a tight-binding model Hamiltonian, which includes a linear coupling between the electronic degrees of freedom and the bosonic motion. The conductance is calculated within the scattering matrix formalism. The coupling to the electronic degrees of freedom shows the interesting effect such as enhancing the off resonant conductance.



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